Spring



Aug. 26, 1930. E. E. DEAL 1,774,424

SPRING Filed July 29, 1927 zdriza zal ffieai ATTORNEY Patented Aug. 26,1930 i I ,UNITED STATES PATENT orricr.

EDMOND E. DEAL, OF ASHLEY, PENNSYLVANIA SPRING Application filed. July29, 1927. Serial No. 209,359.

The present invention relates to sprin deit is put under severe strain.ln other words vices and more especially to an in'iproved the linksbeing in the form of loops and intersafety spring adapted for supportingporch looked as shown, prevent entire separation of swings or used inconnection with tow ropes oppositeparts of a tow rope (not shown),

or lines and for similar purposes, and it he which may be connected tothe remote ends of- 5D for its purpose to insure safety in case the thelinks. spring should break. The two sides of the links at their remoteAnother purpose is to provide a spring end portions are twisted togetherat 3 and having improvements over the spring set engaged through thetwists are the hooks l 10 forth, claimed and illustrated in the Unitedwhich are formed at the opposite ends of the (so States Letters Patentof August 31st, 1926, spring, so that when the links are pulled inPatent No. 1598389, to the extent of dispensopposite directions fromeach other the spring ing with the case shown in said patent and may beput under tension or stretched. at the same time connecting the oppositeends Beyond the twists 3 the sides of the links ofthe spring to thetwists at the remote terminate in hooks 5 which are reversely diso5 endsof the links, which are surrounded by posed and are separated as shownso as to perconvolutions of the spring, thereby siinplimit them toengage with the ring or to whatfying the structure and at the same timerenever the two ends of a tow line may connect, dering the manufactureof the spring less so as to put the spring under tension, when 33expensive and enabling it to be sold more power is applied to the towline, or when To reasonably. the spring is used for supporting a porchIt is to be understood that the particulars swing. herein given are inno way limitive. and that The invention having been set forth what whilestill keeping within the scope of the is claimed is:

invention, any desired modification of details In a device as set forth,a coil tensioned 75 and proportions may be made in the construcspringwith its convolutions closely wound tion of the appliance according tocircuinand contacting, a pair of elongated loop links, stances. oneinterlocked longitudinally with the other The invention comprisesfurther features and housed within thetightly wound spring, andcombination of parts to be hereinafter the sides of the links at theirremote end porso set forth. shown in the drawings and claimed. tionsbeing twisted together and terminating In the drawings in reverselydisposed hoo is beyond the twists, Figure 1 is a View in elevation ofthe ima portion of each twist being open, the oppoproved springconstructedin accordance with Site ends of the coil spring tern'iinatingin the invention, showing the links in dotted hooks which arealignedwith each other and line g V engaged through the open portions of bothFigure 2 is a sectional view through the twists, whereby the spring maygive it it is spring, showing the links in full lines, but put undertension. V I

showingthe hooks at the remote ends of the In testimony whereof heafi'ixes his signalinks in diiferentpositions than is shown in ture.

Figure 1. EDHOND DEAL. Referring to the drawings, 1 identifies thespring, the opposite ends of which terminate in semi-circular hooks.Located within the spring are links 2, which are inter-locked andcapable of sliding movement relative to each other, when the spring isstretched orput under tension. The links are in the form of elongatedloops, the purpose being to insure safety in case the spring. shouldbreak when loo

